CN111089176A - Flange type butterfly valve - Google Patents
Flange type butterfly valve Download PDFInfo
- Publication number
- CN111089176A CN111089176A CN201811064539.8A CN201811064539A CN111089176A CN 111089176 A CN111089176 A CN 111089176A CN 201811064539 A CN201811064539 A CN 201811064539A CN 111089176 A CN111089176 A CN 111089176A
- Authority
- CN
- China
- Prior art keywords
- spanner
- valve
- spring catch
- wrench
- telescopic end
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
- F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
- F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K35/00—Means to prevent accidental or unauthorised actuation
- F16K35/10—Means to prevent accidental or unauthorised actuation with locking caps or locking bars
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
Abstract
The invention relates to a flange type butterfly valve, which utilizes a prying rod, a wrench and a fulcrum on the wrench to form a lever, wherein the prying rod is not provided with a hole, the wrench penetrates out of the hole and is in a scissor shape, the prying rod is in a folding line rotation, the front end of the prying rod is positioned above the wrench, the rear section of the prying rod is positioned below the wrench, and the prying rod and the tail part of the wrench are simultaneously held to drive a spring pin to be pulled up or inserted into a limiting hole to finish releasing or limiting; this spacing mode only needs one-hand operation, and convenient operation effectively prevents the maloperation.
Description
Technical Field
The invention relates to a butterfly valve, in particular to a flange type butterfly valve.
Background
A butterfly valve, also called a flap valve, is a regulating valve with a simple structure, and can be used for on-off control of low-pressure pipeline media, namely a valve with a closing part (a valve clack or a butterfly plate) which is a disc and rotates around a valve shaft to open and close, and the valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like. The pipe mainly plays a role in cutting off and throttling. The butterfly valve opening and closing piece is a disc-shaped butterfly plate and rotates around the axis of the butterfly plate in the valve body, so that the opening and closing or adjusting purpose is achieved. The opening of the butterfly valve is usually realized by rotating a valve rod through a hand wheel or a wrench, and in the actual use process, when a person touches the hand wheel by mistake, the butterfly valve is easily opened by mistake, so that unnecessary consequences are brought.
Disclosure of Invention
The invention aims to provide a flange type butterfly valve with a limiting pin, which can prevent misoperation.
The technical scheme adopted by the invention is as follows: a flange type butterfly valve comprises a valve body, wherein a material inlet and a material outlet are arranged on two sides of the valve body, a valve core is arranged in the valve body, a valve rod is arranged at the top of the valve core, the valve rod extends out of a valve rod hole in the top of the valve body, packing is filled in the valve rod hole, a packing gland is arranged at the top of the valve rod hole, and a circle of limiting holes are formed in the edge of the packing gland; the utility model discloses a spacing spanner is installed to the telescopic end of spring catch, including the telescopic end of spring catch, the telescopic end of spring catch is equipped with the pivot, and the telescopic end of spring catch is equipped with the spacing spanner on the top surface of the telescopic end of spring catch, and the telescopic end of spring catch is equipped with the spacing of pull ring, and the spanner is equipped with the fulcrum, and the top surface of the head of spanner is folded line shape, and the parallel arrangement of lever anterior segment is in the spanner top, and the lower part that the slope extends to the spanner is turned downwards from the middle section to the lever, and the lever head supports in the fulcrum of spanner, and spring catch top-down cross-under connects in proper order behind lever.
After the technical scheme is adopted, a lever is formed by utilizing a prying rod, a wrench and a fulcrum on the wrench, a hole is not formed in the prying rod, the wrench penetrates out of the hole to be in a scissor shape, the prying rod rotates in a folding line, the front end of the prying rod is positioned above the wrench, the rear section of the prying rod is positioned below the wrench, and the prying rod and the tail part of the wrench are held simultaneously to drive a spring pin to be pulled up or inserted into a limiting hole to complete releasing or limiting; this spacing mode only needs one-hand operation, and convenient operation effectively prevents the maloperation.
Drawings
Fig. 1 is a cross-sectional view of the present invention.
Detailed Description
The following detailed description of embodiments of the invention is provided in conjunction with the accompanying drawings:
as shown in the figure, the flange type butterfly valve comprises a valve body 1, wherein a feed inlet and a discharge outlet 2 are arranged on two sides of the valve body 1, a valve core 3 is installed in the valve body 1, a valve rod 4 is installed at the top of the valve core 3, the valve rod 4 extends out of a valve rod hole in the top of the valve body 1, a plurality of sealing rings are arranged between the valve rod 4 and the valve body, a filler 5 is filled in the valve rod hole, a filler gland 6 is installed at the top of the valve rod hole, and a circle of limiting holes 12 are formed in the; install limit wrench on the end that stretches out of valve rod 4, limit wrench includes spanner 7, crowbar 8 and spring catch 9, spanner 7 and 8 parallel arrangement of crowbar, the top surface of the head of spanner 7 is equipped with fulcrum 10, and crowbar 8 is the broken line form, and 8 middle parts of crowbar are equipped with cross-under hole 11, and the spanner passes cross-under hole 11, 8 anterior segment parallel arrangement of crowbar in spanner 7 top, 8 heads of crowbar support in the fulcrum 10 of spanner 7, and crowbar 8 is from the downward below that the slope extended to spanner 7 of middle section, and 9 top-down of spring catch cooperate with spacing hole 12 behind crowbar 8 and the spanner 7 in proper order cross-under, and the fixing base of spring catch 9 is installed in spanner 7, and the top of the flexible end of spring catch 9 is spacing through pull ring 13 and 8 top surfaces of crowbar.
Claims (1)
1. A flange type butterfly valve is characterized by comprising a valve body, wherein a feeding hole and a discharging hole are formed in two sides of the valve body, a valve core is installed in the valve body, a valve rod is installed at the top of the valve core, the valve rod extends out of a valve rod hole in the top of the valve body, packing is filled in the valve rod hole, a packing gland is installed at the top of the valve rod hole, and a circle of limiting holes are formed in the edge of the packing gland; the utility model discloses a spacing spanner is installed to the telescopic end of spring catch, including the telescopic end of spring catch, the telescopic end of spring catch is equipped with the pivot, and the telescopic end of spring catch is equipped with the spacing spanner on the top surface of the telescopic end of spring catch, and the telescopic end of spring catch is equipped with the spacing of pull ring, and the spanner is equipped with the fulcrum, and the top surface of the head of spanner is folded line shape, and the parallel arrangement of lever anterior segment is in the spanner top, and the lower part that the slope extends to the spanner is turned downwards from the middle section to the lever, and the lever head supports in the fulcrum of spanner, and spring catch top-down cross-under connects in proper order behind lever.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811064539.8A CN111089176A (en) | 2018-09-12 | 2018-09-12 | Flange type butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811064539.8A CN111089176A (en) | 2018-09-12 | 2018-09-12 | Flange type butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111089176A true CN111089176A (en) | 2020-05-01 |
Family
ID=70391284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811064539.8A Withdrawn CN111089176A (en) | 2018-09-12 | 2018-09-12 | Flange type butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111089176A (en) |
-
2018
- 2018-09-12 CN CN201811064539.8A patent/CN111089176A/en not_active Withdrawn
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200501 |
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| WW01 | Invention patent application withdrawn after publication |